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Numerical and Experimental Analysis of Dual-Beam Laser Polishing Additive Manufacturing Ti6Al4V [PDF]
Micromachines, 2023 Laser polishing is an emerging efficient technique to remove surface asperity without polluting the environment. However, the insufficient understanding of the mechanism of laser polishing has limited its practical application in industry. In this study,
Junyong Zeng +6 more
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A Wideband Millimeter-Wave Dual-Beam Dielectric Resonator Antenna with Substrate Integration Capability [PDF]
MicromachinesA wideband dual-beam dielectric resonator antenna (DRA) with substrate integration capability was proposed for millimeter-wave (mm-wave) applications. The four rows of air vias along the x-direction and two extended rectangular patches could shift the ...
Jin Shi +4 more
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Dual-beam X-ray nano-holotomography. [PDF]
J Synchrotron RadiatNanotomography with hard X-rays is a widely used technique for high-resolution imaging, providing insights into the structure and composition of various materials. In recent years, tomographic approaches based on simultaneous illuminations of the same sample region from different angles by multiple beams have been developed at micrometre image ...
Flenner S +4 more
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A MIMO Antenna System Using Self-Decoupled EMSIW Dual-Beam Antenna Elements
IEEE Access, 2022 This paper presents a two-element MIMO antenna system using two dual-beam EMSIW antenna elements. The dual-beam pattern is achieved by creating two weak field areas using EMSIW. The antenna elements are placed in the weak field areas of each other, which
Priya Kumari, Sushrut Das
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A dual beam photonic wavelength refernce
Measurement: Sensors, 2021 We present operation of a photonically integrated wavelength reference at 780 nm using a dual beam geometry. The dual beams are generated by a pair of extreme mode converting grating beam expanders that generate a pair of overlapped, counter-propagating ...
Matthew Hummon +7 more
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Journal of Materials Research and TechnologyIn this paper, a novel coaxial continuous-pulsed dual-beam laser was proposed to join TC4 titanium alloy with QP980 high-strength steel, and magnesium alloy containing rare-earth elements (Mg-RE) was creatively as filler.
Nan li +6 more
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Bandwidth and power enhancement in the MEMS-based piezoelectric energy harvester using magnetic tip mass [PDF]
Bulletin of the Polish Academy of Sciences: Technical Sciences, 2022 In this paper, the performance and frequency bandwidth of the piezoelectric energy harvester (PZEH) is improved by introducing two permanent magnets attached to the proof mass of a dual beam structure.
Ashutosh Anand +2 more
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EVALUATION OF DUAL SYSTEMS WITH MOMENT-RESISTING FRAME AND SHEAR LINK FRAME \ [PDF]
مهندسی عمران شریف, 2022 This paper puts forward a new dual system to dissipate energy and presents its numerical studies. Though moment-resisting frames have a good ductility performance, they suffer low stiffness; as a matter of fact, engineers try to increase the stiffness by
F. Mahmoudi, A.R. Rahai, F. Hatami
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Highly Efficient Dual-Beam Frequency Scanning Based on SSPPs With Parasitic Patch Array
Frontiers in Physics, 2022 A leaky-wave antenna (LWA) realizes radiation of travelling wave along guiding structures. Periodic modulation is an effective approach to turn non-radiating modes into radiating modes.
Bai Cao Pan +6 more
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Optimization of a Coherent Dual-Beam Array Feed Network for Aperiodic Concentric Ring Antennas
Applied Sciences, 2021 A dual-beam coherent feeding system design approach with a non-uniform layout on a concentric ring array is described and synthesized. In this case, the feeding system is based on a reconfigurable topology composed of a set of alternated power dividers ...
Armando Arce +5 more
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